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Species: Varicus nigritus, Banded split-fin goby

All Families:   All Genera:   All Species:

head - 3 thin black bars
body 4 broad, oval black bars
D2 9; A 8
body mostly scaled; C base scaled
pelvics: rays unbranched, tips simple, reach A origin

Varicus nigritus Gilmore, Van Tassell, & Baldwin, 2016

Banded split-fin goby

Body short, robust; head without pores; both nostrils tubular; a groove across top of front lip;   gill opening restricted to length of pectoral fin base; gill membranes with 5 rays; dorsal fin VII (with filaments extending beyond spine tips)   + I, 9;  length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 8;  pectoral fin 17, rays 14-15 extended, reach to under 6th dorsal soft ray; pelvic fins I, 5,  completely separate, no membrane between 5th rays, no front frenum between spines, all rays unbranched, without flattened fleshy tips, 5th ray 1/5 length of 4th ray, fins long, 4th ray extends to origin of anal fin; scales: rough scales probably present over most of body (almost entirely lost in holotype); base of tail fin with 2 large, rough scales; no lateral line.

Head and body translucent;  head with 3 thin black bars outlined in yellow, one between eyes, through eye, extending below eye as short triangle, 2 across nape, one down along edge of preopercle, the other curving back behind top corner of operculum and running down along base of pectoral fin; body with 4 oval black bars from the top profile, nearly to the bottom profile, the front 2 edged with yellow, the 2nd and 3rd very broad; dorsal, caudal, anal and pelvic fins bright white, lower edge of caudal and ventral 1/3 of anal fin black; 2nd dorsal with a yellow stripe along its center.

Reaches at least 4.4 cm

Rocky bottoms

Depth range 244 m

Known only from a single specimen from the Bahamas


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Salinity
  • Marine Only
  • Marine
Inshore/Offshore
  • Offshore
  • Offshore Only
Water Column Position
  • Bottom only
  • Bottom
Habitat
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef only
  • Rocks
FishBase Habitat
  • Reef Associated
Feeding Group
  • Planktivore
  • No Data
Diet
  • Zooplankton
  • No Data
Egg Type
  • Pelagic larva
  • No data
  • Benthic
Global Endemism
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Island (s)
  • GC endemic
  • Island (s) only
  • Bahamas endemic
Residency
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Length Max
  • 4.4
Depth Range Min
Depth Range Max
  • 244